s-Block ElementsHard

Question

Compounds of alkaline earth metals are less soluble in water than the corresponding alkali metal salts due to

Options

A.their high ionisation energy
B.their low electronegativity
C.their low hydration energy
D.their high lattice energy

Solution

Along the period, atomic size decreases and nuclear charge increases and thus lattice energy increases,
      lattice energy ∞

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